92 string references to 'Error'

AjaxTest::testUiAjaxException in core/tests/Drupal/FunctionalJavascriptTests/Ajax/AjaxTest.php
Tests that Ajax errors are visible in the UI.
ajax_forms_test_advanced_commands_invoke_callback in core/modules/system/tests/modules/ajax_forms_test/ajax_forms_test.module
Ajax form callback: Selects 'invoke'.
AnalyzeTest::testAnalyzeBasic in core/modules/views_ui/tests/src/Functional/AnalyzeTest.php
Tests that analyze works in general.
BlockUiTest::testBlockValidateErrors in core/modules/block/tests/src/Functional/BlockUiTest.php
Tests if validation errors are passed plugin form to the parent form.
ConfigTargetTest::testIncorrectKey in core/modules/system/tests/src/Functional/Form/ConfigTargetTest.php
Tests #config_target with an incorrect key.
ConfigTargetTest::testNested in core/modules/system/tests/src/Functional/Form/ConfigTargetTest.php
Tests #config_target where there is not a 1:1 property to element.
ConfigTargetTest::testTree in core/modules/system/tests/src/Functional/Form/ConfigTargetTest.php
Tests #config_target where #tree is set to TRUE.
ContentTranslationSettingsTest::testSettingsUI in core/modules/content_translation/tests/src/Functional/ContentTranslationSettingsTest.php
Tests that the settings UI works as expected.
ContentTranslationSyncImageTest::testImageFieldSync in core/modules/content_translation/tests/src/Functional/ContentTranslationSyncImageTest.php
Tests image field synchronization.
ContentTranslationUITestBase::doTestAuthoringInfo in core/modules/content_translation/tests/src/Functional/ContentTranslationUITestBase.php
Tests the translation authoring information.
Cookie::applies in core/modules/user/src/Authentication/Provider/Cookie.php
DisplayTest::validate in core/modules/views/tests/modules/views_test_data/src/Plugin/views/display/DisplayTest.php
Validate that the plugin is correct and can be saved.
DrupalMessengerServiceTest::testStatusMessageAssertions in core/modules/system/tests/src/Functional/Bootstrap/DrupalMessengerServiceTest.php
Tests assertion methods in WebAssert related to status messages.
drupal_error_levels in core/includes/errors.inc
Maps PHP error constants to watchdog severity levels.
EmailFieldTest::testEmailField in core/modules/field/tests/src/Functional/Email/EmailFieldTest.php
Tests email field.
FilterAdminTest::testFormatAdmin in core/modules/filter/tests/src/Functional/FilterAdminTest.php
Tests the format administration functionality.
FilterFormatAccessTest::testFormatWidgetPermissions in core/modules/filter/tests/src/Functional/FilterFormatAccessTest.php
Tests editing a page using a disallowed text format.
FormErrorHandler::displayErrorMessages in core/lib/Drupal/Core/Form/FormErrorHandler.php
Loops through and displays all form errors.
FormErrorHandlerTest::testDisplayErrorMessages in core/tests/Drupal/Tests/Core/Form/FormErrorHandlerTest.php
@covers ::handleFormErrors @covers ::displayErrorMessages
FormErrorHandlerTest::testErrorMessagesNotInline in core/modules/inline_form_errors/tests/src/Unit/FormErrorHandlerTest.php
Tests that opting out of Inline Form Errors works.
ImageCacheActions::transform in core/modules/image/src/Plugin/migrate/process/d6/ImageCacheActions.php
Performs the associated process.
ImageFieldDefaultImagesTest::testDefaultImages in core/modules/image/tests/src/Functional/ImageFieldDefaultImagesTest.php
Tests CRUD for fields and field storages with default images.
ImageFieldDisplayTest::testImageFieldSettings in core/modules/image/tests/src/Functional/ImageFieldDisplayTest.php
Tests for image field settings.
ImageFieldValidateTest::testRequiredAttributes in core/modules/image/tests/src/Functional/ImageFieldValidateTest.php
Tests that required alt/title fields gets validated right.
ImageFieldValidateTest::testResolution in core/modules/image/tests/src/Functional/ImageFieldValidateTest.php
Tests min/max dimensions settings.
JSMessageTestController::getTypes in core/modules/system/tests/modules/js_message_test/src/Controller/JSMessageTestController.php
Gets the test types.
JSWebAssert::buildJavascriptStatusMessageSelector in core/tests/Drupal/FunctionalJavascriptTests/JSWebAssert.php
Builds a xpath selector for a message with given type and text.
LanguageBrowserDetectionTest::testUIBrowserLanguageMappings in core/modules/language/tests/src/Functional/LanguageBrowserDetectionTest.php
Tests mappings between browser language codes and Drupal language codes.
LanguageConfigurationTest::testLanguageConfiguration in core/modules/language/tests/src/Functional/LanguageConfigurationTest.php
Functional tests for adding, editing and deleting languages.
LanguageCustomLanguageConfigurationTest::testLanguageConfiguration in core/modules/language/tests/src/Functional/LanguageCustomLanguageConfigurationTest.php
Functional tests for adding, editing and deleting languages.
LanguageListTest::testLanguageList in core/modules/language/tests/src/Functional/LanguageListTest.php
Functional tests for adding, editing and deleting languages.
LanguageNegotiatorPluginTest::testLanguageNegotiatorNoPlugin in core/modules/language/tests/src/Kernel/LanguageNegotiatorPluginTest.php
Tests for PluginNotFoundException.
LanguageSwitchingTest::testLanguageBlockWithDomain in core/modules/language/tests/src/Functional/LanguageSwitchingTest.php
Tests language switcher links for domain based negotiation.
LanguageUILanguageNegotiationTest::testLanguageDomain in core/modules/language/tests/src/Functional/LanguageUILanguageNegotiationTest.php
Tests URL handling when separate domains are used for multiple languages.
LinkFieldTest::doTestLinkTitle in core/modules/link/tests/src/Functional/LinkFieldTest.php
Tests the link title settings of a link field.
LocaleTranslationUiTest::testStringValidation in core/modules/locale/tests/src/Functional/LocaleTranslationUiTest.php
Tests the validation of the translation input.
MachineNameTest::testMachineName in core/tests/Drupal/FunctionalJavascriptTests/Core/MachineNameTest.php
Tests that machine name field functions.
ManageFieldsTest::testAddFieldWithMultipleUsers in core/modules/field_ui/tests/src/Functional/ManageFieldsTest.php
Tests multiple users adding a field with the same name.
MaximumFileSizeExceededUploadTest::testUploadFileExceedingMaximumFileSize in core/modules/file/tests/src/FunctionalJavascript/MaximumFileSizeExceededUploadTest.php
Tests that uploading files exceeding maximum size are handled correctly.
MediaLibrarySelectForm::updateWidget in core/modules/media_library/src/Plugin/views/field/MediaLibrarySelectForm.php
Submit handler for the media library select form.
MessageCommandTest::testJsStatusMessageAssertions in core/tests/Drupal/FunctionalJavascriptTests/Ajax/MessageCommandTest.php
Tests methods in JsWebAssert related to status messages.
MessageForm::buildForm in core/modules/migrate/src/Form/MessageForm.php
Form constructor.
MessageTest::testMessages in core/tests/Drupal/KernelTests/Core/Theme/MessageTest.php
Tests setting messages output.
MigrateExecutable::handleException in core/modules/migrate/src/MigrateExecutable.php
Takes an Exception object and both saves and displays it.
MigrateExecutable::import in core/modules/migrate/src/MigrateExecutable.php
Performs an import operation - migrate items from source to destination.
MigrateExecutable::rollback in core/modules/migrate/src/MigrateExecutable.php
Performs a rollback operation - remove previously-imported items.
MigrateMessageController::details in core/modules/migrate/src/Controller/MigrateMessageController.php
Displays a listing of migration messages for the given migration ID.
MigrateMessageTest::mapMessageRecorder in core/modules/migrate/tests/src/Kernel/MigrateMessageTest.php
Reacts to map message event.
MigrateUpgradeImportBatch::finished in core/modules/migrate_drupal_ui/src/Batch/MigrateUpgradeImportBatch.php
Callback executed when the Migrate Upgrade Import batch process completes.
MigrateUpgradeImportBatch::onIdMapMessage in core/modules/migrate_drupal_ui/src/Batch/MigrateUpgradeImportBatch.php
Displays any messages being logged to the ID map.
NestedFormTest::testNestedFieldForm in core/modules/field/tests/src/Functional/NestedFormTest.php
Tests Field API form integration within a subform.
OverviewTerms::buildForm in core/modules/taxonomy/src/Form/OverviewTerms.php
Form constructor.
PathAliasTest::testAdminAlias in core/modules/path/tests/src/Functional/PathAliasTest.php
Tests alias functionality through the admin interfaces.
PathAliasTest::testDuplicateNodeAlias in core/modules/path/tests/src/Functional/PathAliasTest.php
Tests that duplicate aliases fail validation.
PathAliasTest::testNodeAlias in core/modules/path/tests/src/Functional/PathAliasTest.php
Tests alias functionality through the node interfaces.
PathContentModerationTest::testNodePathAlias in core/modules/path/tests/src/Functional/PathContentModerationTest.php
Tests node path aliases on a moderated content type.
PathContentModerationTest::testTranslatedModeratedNodeAlias in core/modules/path/tests/src/Functional/PathContentModerationTest.php
Tests that translated and moderated node can get new draft revision.
RenderElementBase::setAttributes in core/lib/Drupal/Core/Render/Element/RenderElementBase.php
Sets a form element's class attribute.
RequirementsPageTrait::assertErrorSummaries in core/tests/Drupal/Tests/RequirementsPageTrait.php
Asserts the given error summaries are present on the page.
RequirementsTest::testIsolationLevelWarningNotDisplaying in core/modules/mysql/tests/src/Functional/RequirementsTest.php
Test the isolation level warning message on status page.
ReviewForm::buildForm in core/modules/migrate_drupal_ui/src/Form/ReviewForm.php
Form constructor.
RfcLogLevel::getLevels in core/lib/Drupal/Core/Logger/RfcLogLevel.php
Returns a list of severity levels, as defined in RFC 5424.
SearchBlockTest::testSearchFormBlock in core/modules/search/tests/src/Functional/SearchBlockTest.php
Tests that the search form block can be placed and works.
SearchConfigSettingsFormTest::testMultipleSearchPages in core/modules/search/tests/src/Functional/SearchConfigSettingsFormTest.php
Tests multiple search pages of the same type.
SearchConfigSettingsFormTest::testSearchSettingsPage in core/modules/search/tests/src/Functional/SearchConfigSettingsFormTest.php
Verifies the search settings form.
SearchPageTextTest::testSearchText in core/modules/search/tests/src/Functional/SearchPageTextTest.php
Tests the failed search text, and various other text on the search page.
SecurityAdvisoryTest::assertStatusReportLinks in core/modules/system/tests/src/Functional/SecurityAdvisories/SecurityAdvisoryTest.php
Asserts the correct links appear on the status report page.
ShortcutController::deleteShortcutLinkInline in core/modules/shortcut/src/Controller/ShortcutController.php
Deletes the selected shortcut.
ShortcutSetsTest::testShortcutSetSwitchNoSetName in core/modules/shortcut/tests/src/Functional/ShortcutSetsTest.php
Tests switching a user's shortcut set without providing a new set name.
Sql::saveIdMapping in core/modules/migrate/src/Plugin/migrate/id_map/Sql.php
Saves a mapping from the source identifiers to the destination identifiers.
StatusReport::getInfo in core/lib/Drupal/Core/Render/Element/StatusReport.php
Returns the element properties for this element.
StatusReport::getSeverities in core/lib/Drupal/Core/Render/Element/StatusReport.php
Gets the severities.
StatusReportPage::preRenderCounters in core/modules/system/src/Element/StatusReportPage.php
#pre_render callback to create counter elements.
StatusTest::testErrorElementCount in core/modules/system/tests/src/Functional/System/StatusTest.php
Tests that the Error counter matches the displayed number of errors.
SystemTestController::statusMessagesForAssertions in core/modules/system/tests/modules/system_test/src/Controller/SystemTestController.php
Sets messages for testing the WebAssert methods related to messages.
system_requirements in core/modules/system/system.install
Implements hook_requirements().
template_preprocess_update_project_status in core/modules/update/update.report.inc
Prepares variables for update project status templates.
TestStatus::label in core/lib/Drupal/Core/Test/TestStatus.php
Turns a status code into a human-readable string.
ThemeTest::testThemeSettingsColorHexCode in core/modules/system/tests/src/Functional/System/ThemeTest.php
Tests the theme settings color input.
UpdateSettingsFormTest::testUpdateSettingsForm in core/modules/update/tests/src/Functional/UpdateSettingsFormTest.php
Tests the update_settings form.
update_authorize_install_batch_finished in core/modules/update/update.authorize.inc
Implements callback_batch_finished().
update_authorize_update_batch_finished in core/modules/update/update.authorize.inc
Batch callback: Performs actions when the authorized update batch is done.
update_fetch_data_finished in core/modules/update/update.module
Batch callback: Performs actions when all fetch tasks have been completed.
update_script_test_requirements in core/modules/system/tests/modules/update_script_test/update_script_test.install
Implements hook_requirements().
ViewFormBase::getDisplayTabs in core/modules/views_ui/src/ViewFormBase.php
Adds tabs for navigating across Displays when editing a View.
views_test_data_views_analyze in core/modules/views/tests/modules/views_test_data/views_test_data.views.inc
Implements hook_views_analyze().
WebAssert::buildStatusMessageSelector in core/tests/Drupal/Tests/WebAssert.php
Builds a xpath selector for a message with given type and text.
WorkspacePublishForm::submitForm in core/modules/workspaces/src/Form/WorkspacePublishForm.php
Form submission handler.
_drupal_log_error in core/includes/errors.inc
Logs a PHP error or exception and displays an error page in fatal cases.
_drupal_log_error in core/includes/errors.inc
Logs a PHP error or exception and displays an error page in fatal cases.
_locale_rebuild_js in core/modules/locale/locale.module
(Re-)Creates the JavaScript translation file for a language.
_update_ckeditor5_html_filter in core/modules/ckeditor5/ckeditor5.module
AJAX callback handler for filter_format_form().

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.